Portable handheld telephone



FIG. 1 is a left side, top and front perspective view of a portable handheld telephone showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a portable handheld telephone, as shown. 